Hyundai i-30: Engine Control System / Exhaust Gas Temperature Sensor (EGTS)

Hyundai i30 (PD) 2018-2025 Service Manual / Engine Control / Fuel System / Engine Control System / Exhaust Gas Temperature Sensor (EGTS)

Description and operation
Description
Exhaust Gas Temperature Sensor (EGTS) is installed on Gasoline Particulate Filter (GPF) senses the temperature of exhaust gas flowing into. When pre-determined engine condition is set, ECM burns soot gathered in GPF with exhaust gas. At this time, the exhaust gas temperature is an important factor of engine condition
Exhaust Gas Temperature Sensor (EGTS) #1 (Front) [GPF Type]

Exhaust Gas Temperature Sensor (EGTS) #2 (Rear) [GPF Type]

Exhaust Gas Temperature Sensor (EGTS)

Specifications
Specification
Exhaust Gas Temperature Sensor (EGTS) #1, 2 [GPF Type]
▷ Type : Thermistor type
Temperature [°C (°F)]
Resistance (kΩ)
-40 (-40)
 0.17
0 (-32)
 0.201
100 (212)
 0.276
200 (392)
 0.35
300 (572)
 0.42
400 (752)
 0.489
500 (932)
 0.555
600 (1112)
 0.618
700 (1292)
 0.68
800 (1472)
 0.739
850 (1562)
 0.767

Exhaust Gas Temperature Sensor (EGTS)
▷ Type : Thermistor type
Temperature [°C (°F)]
Resistance (kΩ)
-40 (-40)
 120.1 - 140.6
-30 (-22)
 82.2 - 95.5
-20 (-4)
 57.9 - 66.8
-10 (14)
 41.8 - 47.9
0 (32)
 30.9 - 35.2
10 (50)
 23.3 - 26.4
20 (68)
 17.9 - 20.2
30 (86)
 14.0 - 15.7
40 (104)
 11.1 - 12.4
50 (122)
 8.92 - 9.91
60 (140)
 7.27 - 8.04
70 (158)
 5.99 - 6.60
80 (176)
 4.98 - 5.47
90 (194)
 4.19 - 4.58
100 (212)
 3.44 - 3.87
110 (230)
 3.03 - 3.29
120 (248)
 2.61 - 2.82
130 (266)
 2.26 - 2.44
140 (284)
 1.97 - 2.12
150 (302)
 1.73 - 1.85
160 (320)
 1.52 - 1.63
170 (338)
 1.35 - 1.44
180 (356)
 1.08 - 1.15
190 (374)
 1.07 - 1.14
200 (392)
 0.97 - 1.03
210 (410)
 0.86 - 0.93
220 (428)
 0.79 - 0.85
230 (446)
 0.72 - 0.77
240 (464)
 0.66 - 0.71
250 (482)
 0.60 - 0.65
260 (500)
 0.55 - 0.60
270 (518)
 0.51 - 0.55
280 (536)
 0.47 - 0.51
290 (554)
 0.44 - 0.47
300 (572)
 0.40 - 0.43

Schematic diagrams
Circuit Diagram
Exhaust Gas Temperature Sensor (EGTS) #1 (Front) [GPF Type]

Harness Connector

Exhaust Gas Temperature Sensor (EGTS) #2 (Rear) [GPF Type]

Harness Connector

Exhaust Gas Temperature Sensor (EGTS)

Harness Connector

Repair procedures
Inspection
1.
Turn ignition switch OFF.
2.
Disconnect the connector of exhaust gas temperature sensors.
3.
Measure resistance between sensor signal terminal and ground terminal.
4.
Check that the resistance is within the specification.
Specification : Refer to "Specification"
Removal
Exhaust Gas Temperature Sensor (EGTS) #1 (Front) [GPF Type]
1.
Turn the ignition switch OFF and disconnect the battery negative (-) terminal.
2.
Lift up the vehicle.
3.
Remove the floor under cover.
4.
Disconnect the egts connector (A).
5.
Remove the egts sensor (A).
Tightening torque :
39.2 - 49.0 N·m (4.0 - 5.0 kgf·m, 28.9 - 36.1 lb·ft)

Exhaust Gas Temperature Sensor (EGTS) #2 (Rear) [GPF Type]
1.
Turn the ignition switch OFF and disconnect the battery negative (-) terminal.
2.
Lift up the vehicle.
3.
Remove the floor under cover.
4.
Disconnect the egts connector (A).
5.
Remove the egts sensor (A).
Tightening torque :
39.2 - 49.0 N·m (4.0 - 5.0 kgf·m, 28.9 - 36.1 lb·ft)

Exhaust Gas Temperature Sensor (EGTS)
1.
Turn the ignition switch OFF and disconnect the battery negative (-) terminal.
2.
Remove the front muffler heat protector (A).
Tightening Torque :
9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb.ft)

3.
Disconnect the egts connector (A).
4.
Remove the egts sensor (B).
Installation
  
•
Install the component to the specified torques.
•
Note that internal damage may occur when the component is dropped. In this case, use it after inspecting.
1.
Install in the reverse order of removal.

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